# Functions
New returns a credentials Provider for retrieving AWS credentials from arbitrary endpoint.
# Constants
ProviderName is the name of the credentials provider.
# Interfaces
AuthTokenProvider defines an interface to dynamically load a value to be passed for the Authorization header of a credentials request.
HTTPClient is a client for sending HTTP requests.
# Type aliases
TokenProviderFunc is a func type implementing AuthTokenProvider interface and enables customizing token provider behavior.